ZarankiewiczDB,

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z(17,22) = 87

111111
11111
111111
1111
11111
11111
11111
11111
11111
11111
11111
11111
11111
11111
11111
11111
111111

Scaffold: $p=5$, $q=3$, $\mathbf{m}=(3,3,3,2,2)$, $\mathbf{n}=(4,4,4)$, $m_O=0$, $n_O=4$.

(141.326046713 seconds, score = 87, 1628698 recursive calls, max depth = 30)

weight = 87, submitted by Andrew Kay on April 22nd, 2016 (link, raw)

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